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记录基础 人类观察
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年份 从 1991 开始至 2019 结束
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有坐标 true
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学名 Ursus maritimus Phipps, 1774
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有地理空间问题 false
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Download as TSV
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198USGS Alaska Science Center Polar Bear Maternal Dens
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176Arctic Species Trend Index (ASTI) : Marine
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147iNaturalist Research-grade Observations
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51DFO Maritimes Region Cetacean Sightings
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9naturgucker
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8(Table 1) Mean age, body measurements, and body condition index of polar bear (Ursus maritimus) mothers and cubs
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7(Table 5) Concentrations of organochlorine pesticides in adipose tissue of polar bears (Ursus maritimus) between 1991-2007
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7(Table S2) Biometric data, time of ice breakup and carbon isotopic composition of adipose tissue of polar bears (Ursus maritimus) between 1991-2007
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7(Table 4) Concentrations of PCBs and MeSO2-PCBs in adipose tissue of polar bears (Ursus maritimus) between 1991-2007
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7(Table 1) Biometrics and lipid content of polar bear (Ursus maritimus) adipose tissue between 1991-2007
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7(Table 7) Fatty acid composition of adipose tissue from polar bears (Ursus maritimus) between 1991-2007
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7(Table 3) Concentrations of brominated flame retardants in adipose tissue of polar bears (Ursus maritimus) between 1991-2007
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4(Table 3) Mean plasma lipid content, and plasma PCB and OH-PCB concentration of polar bear (Ursus maritimus) mothers and cubs
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4(Table 1) PBDE and BDE congener concentration in adipose tissue of East Greenland polar bears collected 1999-2001
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1Natusfera Citizen Science Observation Dataset